261430572

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{659}}^1\times {\mathrm{2543}}^1$

素因数の和:3222

約数の個数: 48

約数和(自身を含む): 658183680

約数和(自身を除く): 396753108

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 659, 1318, 1977, 2543, 2636, 3954, 5086, 7629, 7908, 8567, 10172, 15258, 17134, 25701, 30516, 33059, 34268, 51402, 66118, 99177, 102804, 132236, 198354, 396708, 1675837, 3351674, 5027511, 6703348, 10055022, 20110044, 21785881, 43571762, 65357643, 87143524, 130715286, 261430572]

約数ペア:

[(1, 261430572), (2, 130715286), (3, 87143524), (4, 65357643), (6, 43571762), (12, 21785881), (13, 20110044), (26, 10055022), (39, 6703348), (52, 5027511), (78, 3351674), (156, 1675837), (659, 396708), (1318, 198354), (1977, 132236), (2543, 102804), (2636, 99177), (3954, 66118), (5086, 51402), (7629, 34268), (7908, 33059), (8567, 30516), (10172, 25701), (15258, 17134)]